18883906349

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{258971}}^1$

素因数の和:259936

約数の個数: 16

約数和(自身を含む): 23568523776

約数和(自身を除く): 4684617427

約数列:

[1, 7, 11, 77, 947, 6629, 10417, 72919, 258971, 1812797, 2848681, 19940767, 245245537, 1716718759, 2697700907, 18883906349]

約数ペア:

[(1, 18883906349), (7, 2697700907), (11, 1716718759), (77, 245245537), (947, 19940767), (6629, 2848681), (10417, 1812797), (72919, 258971)]